1022112212212 has 24 divisors (see below), whose sum is σ = 2201472457856. Its totient is φ = 404352083808.

The previous prime is 1022112212203. The next prime is 1022112212263. The reversal of 1022112212212 is 2122122112201.

It is a self number, because there is not a number n which added to its sum of digits gives 1022112212212.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1403999928 + ... + 1404000655.

Almost surely, 2^{1022112212212} is an apocalyptic number.

It is an amenable number.

1022112212212 is an abundant number, since it is smaller than the sum of its proper divisors (1179360245644).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1022112212212 is a wasteful number, since it uses less digits than its factorization.

1022112212212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2808000607 (or 2808000605 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 1022112212212 its reverse (2122122112201), we get a palindrome (3144234324413).

The spelling of 1022112212212 in words is "one trillion, twenty-two billion, one hundred twelve million, two hundred twelve thousand, two hundred twelve".